Andrea drew a regression line for this paired data set. her line passed through (1, 5) and (5, 13) . what is the equation of andrea's regression line? yˆ=x+5yˆ=2x+3yˆ=1.75x+6.25yˆ=0.7x−2 .5

The graph of the function f(x) = (x + 2)(x + 6) is shown below. which statement about the function is true? the function is positive for all real values of x where x > –4. the function is negative for all real values of x where –6 < x < –2. the function is positive for all real values of x where x < –6 or x > –3. the function is negative for all real values of x where x < –2.